Move Comes Amid Concerns the Bank Is Carrying Too Much Risk

FRANKFURT—Deutsche Bank AG is accelerating plans to reduce the size of its balance sheet amid persistent concerns among regulators and investors on both sides of the Atlantic that the bank is carrying too much risk.

Deutsche Bank plans to increase its so-called leverage ratio, which measures the capital base against total assets, to 3% by 2015, by shedding assets and retaining earnings, according to people familiar with the...